Search Results for author: Lujia Shen

Found 3 papers, 1 papers with code

Improving the Robustness of Transformer-based Large Language Models with Dynamic Attention

no code implementations29 Nov 2023 Lujia Shen, Yuwen Pu, Shouling Ji, Changjiang Li, Xuhong Zhang, Chunpeng Ge, Ting Wang

Extensive experiments demonstrate that dynamic attention significantly mitigates the impact of adversarial attacks, improving up to 33\% better performance than previous methods against widely-used adversarial attacks.

TextDefense: Adversarial Text Detection based on Word Importance Entropy

no code implementations12 Feb 2023 Lujia Shen, Xuhong Zhang, Shouling Ji, Yuwen Pu, Chunpeng Ge, Xing Yang, Yanghe Feng

TextDefense differs from previous approaches, where it utilizes the target model for detection and thus is attack type agnostic.

Adversarial Text Text Detection

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